4573643965440 has 1408 divisors, whose sum is σ = 17585113706496. Its totient is φ = 1001914368000.

The previous prime is 4573643965439. The next prime is 4573643965487. The reversal of 4573643965440 is 445693463754.

It is a tau number, because it is divible by the number of its divisors (1408).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8361323247 + ... + 8361323793.

Almost surely, 2^{4573643965440} is an apocalyptic number.

4573643965440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4573643965440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8792556853248).

4573643965440 is an abundant number, since it is smaller than the sum of its proper divisors (13011469741056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4573643965440 is a wasteful number, since it uses less digits than its factorization.

4573643965440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 60.

The spelling of 4573643965440 in words is "four trillion, five hundred seventy-three billion, six hundred forty-three million, nine hundred sixty-five thousand, four hundred forty".